usr bin php set_time_limit false script_dir dirname __FILE__ keystore_

#!/usr/bin/php
<?
set_time_limit(false);
$script_dir = dirname(__FILE__);
$keystore_dir = $script_dir . '/keystores/';
if(!is_dir($keystore_dir)) {
	mkdir($keystore_dir);
}

function getSourceDirs($dir, &$results = []) {
	$files = scandir($dir);

	foreach($files as $key => $value){
		$path = realpath($dir . DIRECTORY_SEPARATOR . $value);
		if(!is_dir($path)) {
			$valid_path = str_replace(realpath('.') . '/', '', dirname($path) . '/*.java');
			if(preg_match('/\.java$/', $path) && !in_array($valid_path, $results)) {
				$results[] = $valid_path;
			}
		} else if($value != "." && $value != "..") {
			getSourceDirs($path, $results);
		}
	}

	return $results;
}

switch(@$argv[1]) {
	case 'create':
		$name = basename(trim(readline('Project name: ')));
		$package = trim(readline('Package name: '));
		if(empty($name) || empty($package)) {
			die("Project name or package is empty!!!\n");
		}
		if(is_dir($name)) {
			die("Directory '{$name}' is exists!\n");
		}
		$src_dir = $name . '/src/' . str_replace('.', '/', $package);
		mkdir($name . '/bin', 0777, true);
		mkdir($name . '/obj');
		mkdir($name . '/res/values', 0777, true);
		mkdir($name . '/res/layout');
		mkdir($name . '/res/drawable');
		mkdir($src_dir, 0777, true);
		file_put_contents($name . '/AndroidManifest.xml', str_replace('__PACKAGE__', $package, file_get_contents($script_dir . '/res/AndroidManifest.xml')));
		file_put_contents($name . '/res/values/strings.xml', str_replace('__LABEL__', $name, file_get_contents($script_dir . '/res/strings.xml')));
		file_put_contents($src_dir . '/MainActivity.java', str_replace('__PACKAGE__', $package, file_get_contents($script_dir . '/res/MainActivity.java')));
		copy($script_dir . '/res/activity_main.xml', $name . '/res/layout/activity_main.xml');
		echo "Project '{$name}' successfully created! :-)\n";
		break;
	case 'build':
		if(!isset($_SERVER['ANDROID_HOME'])) {
			die("ANDROID_HOME must be inicialized!\n");
		}
		if(!file_exists('AndroidManifest.xml')) {
			die("AndroidManifest.xml not found!\n");
		}
		$sdk_home = $_SERVER['ANDROID_HOME'];
		$build_tools = $sdk_home . '/build-tools/29.0.1';
		$platform_home = $sdk_home . '/platforms/android-28';
		if(!preg_match('/package="(.*?)"/', file_get_contents('AndroidManifest.xml'), $package)) {
			die("Package name is required in AndroidManifest.xml!\n");
		}
		$package = $package[1];
		echo "Package = '{$package}'\n";
		$keystore = basename(trim(readline('Keystore = ')));
		$kst = scandir($keystore_dir);
		foreach($kst as $files) {
			if(preg_match("/{$keystore}_([A-z0-9]+)\.keystore/", $files, $matches)) {
				$alias = $matches[1];
			}
		}
		if(!isset($alias)) {
			die("Keystore not found!\n");
		} else {
			echo "Keystore alias = {$alias}\n";
		}
		$storepass = readline('Store password [android] = ');
		if(empty($storepass)) {
			$storepass = 'android';
		}
		$keypass = readline('Key password [android] = ');
		if(empty($keypass)) {
			$keypass = 'android';
		}
		echo "Generating 'R.java'...  ";
		passthru("{$build_tools}/aapt package -f -m -S res -J src -M AndroidManifest.xml -I {$platform_home}/android.jar", $code);
		if($code == 0) {
			echo "Success!\n";
		} else {
			exit;
		}
		$source_dirs = implode(' ', getSourceDirs('src'));
		if(empty($source_dirs)) {
			die("Java sources not found!\n");
		}
		echo "Compiling java sources... ";
		exec('rm -rf obj/*');
		passthru("javac -source 7 -target 7 -Xlint:-options -d obj -cp {$platform_home}/android.jar -sourcepath src {$source_dirs}", $code);
		if($code == 0) {
			echo "Success!\n";
		} else {
			exit;
		}
		echo "Converting classes to dex... ";
		if(file_exists('bin/classes.dex')) {
			unlink('bin/classes.dex');
		}
		passthru("{$build_tools}/dx --dex --output=bin/classes.dex obj/", $code);
		if($code == 0) {
			echo "Success!\n";
		} else {
			exit;
		}
		echo "Building APK... ";
		if(file_exists("bin/{$package}_unsigned.apk")) {
			unlink("bin/{$package}_unsigned.apk");
		}
		if(file_exists("bin/{$package}_signed.apk")) {
			unlink("bin/{$package}_signed.apk");
		}
		passthru("{$build_tools}/aapt package -f -M AndroidManifest.xml -S res -I {$platform_home}/android.jar -F bin/{$package}_unsigned.apk bin", $code);
		if($code == 0) {
			echo "Success!\n";
		} else {
			exit;
		}
		echo "Signing APK... ";
		ob_start();
		passthru("jarsigner  -sigalg SHA1withRSA -digestalg SHA1 -keystore '{$keystore_dir}/{$keystore}_{$alias}.keystore' -storepass {$storepass} -keypass {$keypass} -signedjar bin/{$package}_signed.apk bin/{$package}_unsigned.apk {$alias}");
		$jarsigner_result = explode("\n", ob_get_contents())[0];
		ob_end_clean();
		$jarsigner_result = str_replace('jar', 'apk', $jarsigner_result);
		echo $jarsigner_result . "\n";
		break;
	case 'createKeystore':
		$keystore = basename(trim(readline('Keystore name = ')));
		if(empty($keystore)) {
			die("Keystore name is empty!\n");
		}
		$alias = trim(readline('Alias [androiddebugkey] = '));
		if(empty($alias)) {
			$alias = 'androiddebugkey';
		}
		$storepass = readline('Store password [android] = ');
		if(empty($storepass)) {
			$storepass = 'android';
		}
		$keypass = readline('Key password [android] = ');
		if(empty($keypass)) {
			$keypass = 'android';
		}
		$validity = intval(readline('Valid days [10000] = '));
		if($validity == 0) {
			$validity = 10000;
		}
		$keysize = intval(readline('Key size [2048] = '));
		if($keysize == 0) {
			$keysize = 2048;
		}
		passthru("keytool -genkey -validity {$validity} -keystore {$keystore_dir}/{$keystore}_{$alias}.keystore -storepass {$storepass} -keypass {$keypass} -alias {$alias} -keyalg RSA -v -keysize {$keysize}");
		break;
	case 'listKeystores':
		echo "All founded keystores:\n";
		$keystores = scandir($keystore_dir);
		$founded = [];
		foreach($keystores as $keystore) {
			if(preg_match('/\.keystore$/', $keystore)) {
				$founded[] = preg_replace('/_[A-z0-9]+\.keystore/', '', $keystore);
			}
		}
		if(count($founded) === 0) {
			echo "\t Not found keystores!\n";
		} else {
			foreach($founded as $pos => $ks) {
				echo "\t" . ($pos + 1) . ". {$ks}\n";
			}
		}
		break;
	case '--help':
	default:
		echo "Usage: androed [COMMAND]\n";
		echo "All commands:\n";
		echo "\tcreate = create project\n";
		echo "\tbuild = build project\n";
		echo "\tcreateKeystore = create new keystore\n";
		echo "\tlistKeystores = list all keystores\n";
		echo "\t--help = show this message\n";
		break;
}